Correspondence, pamphlets and circulars regarding the proposed reform of the calendar and detailing various systems proposed to replace the Gregorian Calendar. The papers include the following items:

Article titled 'The Calendar and Its Reform'.

Correspondence with E. Achelis, International World Calendar Association, concerning support for calendar reform, meetings and dinners, 1953-1958.

Correspondence with Sri Atma Yogi regarding his proposals for calendar reform, 1953-1958, including printed leaflets on 'Calendar reform of Indian Yogic origins'.

Correspondence with R. Wilkins, W.E. Edwards, F. Williams and others concerning various methods of calendar reform, 1953-1958.

Extract from the 'Congressional Record' on 'How to count the years', 1955.

Correspondence with the International World Calendar Association, 1955, including copies of correspondence with O. Struve, P. Oosterhoff, D.H. Menzel and M.N. Saha.

Correspondence with E. Bruton, 'Horological Journal'.

Letters from L.G. DeGaris of The Credit Crusade, Australia, 22 March 1955, with a printed leaflet, 'The Credit Crusade Reviews No. 9'.

Correspondence with A.D. Ross of the Pan Indian Ocean Scientific Association and J. Avery Joyce regarding problems with the International World Calendar Association, 1955.

Minutes of a meeting of the British section of the World Calendar Association, 1955.

Correspondence with Professor M.N. Saha concerning Indian ephemeris and the 'Nautical Almanac', 1954-1955.

Correspondence with Professor Oosterhoff regarding Commission 32, 1954.

Correspondence with 'Nature' magazine, 1954.

Correspondence with Professor Lindblad concerning Indian government support for calendar reform, 1954.

Correspondence with the Office of the Chief Rabbi, London, 1954.

Memoranda by Dr C.K. Ananthasubrahmanyar, 1954.

Correspondence with S. Imoto, Japan, concerning the New World Standard Time and International Day, 1954.

Text of the address by H. Spencer Jones at the American Museum-Hayden Planetarium, 1953.

Correspondence with Professor Saha concerning the draft resolution to the U.N. by the Indian government regarding calendar reform, 1953.